Financing (Schedule of Company Debt) (Details) - USD ($) $ in Millions	Jan. 30, 2021	Feb. 01, 2020	Feb. 02, 2019
Short-term Debt	$ 452	$ 539
Unamortized debt issue costs and discount	(77)	(20)
3.875% Senior notes due 2022 [Member]
Short-term Debt	$ 450	$ 0
Debt instrument interest rate, stated percentage	3.875%	3.875%
3.45% senior notes due 2021 [Member]
Short-term Debt	$ 0	$ 500
Debt instrument interest rate, stated percentage	3.45%	3.45%
10.25% Senior Debentures Due 2021 [Member]
Short-term Debt	$ 0	$ 33
Debt instrument interest rate, stated percentage	10.25%	10.25%
Current portion of other long-term obligations [Member]
Short-term Debt	$ 2	$ 6
8.375% Senior secured notes due 2025 [Member]
Debt instrument, principal outstanding	$ 1,300	$ 0
Debt instrument interest rate, stated percentage	8.375%	8.375%
6.65% Senior secured debentures due 2024 [Member]
Debt instrument, principal outstanding	$ 81	$ 0
Debt instrument interest rate, stated percentage	6.65%	6.65%
6.7% Senior secured debentures due 2028 [Member]
Debt instrument, principal outstanding	$ 74	$ 0
Debt instrument interest rate, stated percentage	6.70%	6.70%
8.75% Senior secured debentures due 2029 [Member]
Debt instrument, principal outstanding	$ 13	$ 0
Debt instrument interest rate, stated percentage	8.75%	8.75%
7.875% Senior secured debentures due 2030 [Member]
Debt instrument, principal outstanding	$ 5	$ 0
Debt instrument interest rate, stated percentage	7.875%	7.875%
6.9% Senior secured debentures due 2032 [Member]
Debt instrument, principal outstanding	$ 5	$ 0
Debt instrument interest rate, stated percentage	6.90%	6.90%
6.7% Senior secured debentures due 2034 [Member]
Debt instrument, principal outstanding	$ 183	$ 0
Debt instrument interest rate, stated percentage	6.70%	6.70%
9.5% Amortizing Debentures Due 2021 [Member]
Debt instrument, principal outstanding	$ 0	$ 2
Debt instrument interest rate, stated percentage	9.50%	9.50%
9.75% Amortizing Debentures Due 2021 [Member]
Debt instrument, principal outstanding	$ 0	$ 1
Debt instrument interest rate, stated percentage	9.75%	9.75%
3.875% Senior notes due 2022 [Member]
Debt instrument, principal outstanding	$ 0	$ 450
Debt instrument interest rate, stated percentage	3.875%	3.875%
2.875% Senior notes due 2023 [Member]
Debt instrument, principal outstanding	$ 640	$ 640
Debt instrument interest rate, stated percentage	2.875%	2.875%
4.375% Senior notes due 2023 [Member]
Debt instrument, principal outstanding	$ 210	$ 210
Debt instrument interest rate, stated percentage	4.375%	4.375%
3.625% senior notes due 2024 [Member]
Debt instrument, principal outstanding	$ 500	$ 500
Debt instrument interest rate, stated percentage	3.625%	3.625%
4.5% senior notes due 2034[Member]
Debt instrument, principal outstanding	$ 367	$ 367
Debt instrument interest rate, stated percentage	4.50%	4.50%
6.375% Senior notes due 2037 [Member]
Debt instrument, principal outstanding	$ 192	$ 192
Debt instrument interest rate, stated percentage	6.375%	6.375%	6.375%
5.125% Senior Notes Due 2042 [Member]
Debt instrument, principal outstanding	$ 250	$ 250
Debt instrument interest rate, stated percentage	5.125%	5.125%
4.3% Senior notes due 2043 [Member]
Debt instrument, principal outstanding	$ 250	$ 250
Debt instrument interest rate, stated percentage	4.30%	4.30%
6.65% senior debentures due 2024 [Member]
Debt instrument, principal outstanding	$ 41	$ 122
Debt instrument interest rate, stated percentage	6.65%	6.65%	6.65%
7.6% Senior Debentures Due 2025 [Member]
Debt instrument, principal outstanding	$ 24	$ 24
Debt instrument interest rate, stated percentage	7.60%	7.60%
6.79% Senior Debentures Due 2027 [Member]
Debt instrument, principal outstanding	$ 71	$ 71
Debt instrument interest rate, stated percentage	6.79%	6.79%	6.79%
7.0% Senior Debentures Due 2028 [Member]
Debt instrument, principal outstanding	$ 105	$ 105
Debt instrument interest rate, stated percentage	7.00%	7.00%
6.7% Senior Debentures Due 2028 [Member]
Debt instrument, principal outstanding	$ 29	$ 103
Debt instrument interest rate, stated percentage	6.70%	6.70%	6.70%
6.9% senior debentures due 2029 [Member]
Debt instrument, principal outstanding	$ 79	$ 79
Debt instrument interest rate, stated percentage	6.90%	6.90%	6.90%
8.75% Senior Debentures Due 2029 [Member]
Debt instrument, principal outstanding	$ 0	$ 13
Debt instrument interest rate, stated percentage	8.75%	8.75%	8.75%
7.875% Senior Debentures Due 2030 [Member]
Debt instrument, principal outstanding	$ 5	$ 10
Debt instrument interest rate, stated percentage	7.875%	7.875%	7.875%
6.9% Senior Debentures Due 2032 [Member]
Debt instrument, principal outstanding	$ 12	$ 17
Debt instrument interest rate, stated percentage	6.90%	6.90%	6.90%
6.7% Senior debentures due 2034 [Member]
Debt instrument, principal outstanding	$ 18	$ 201
Debt instrument interest rate, stated percentage	6.70%	6.70%	6.70%
Premium on acquired debt [Member]
Debt Instrument, Unamortized Premium, Noncurrent	$ 30	$ 34
Entire Long Term Debt [Member]
Debt instrument, principal outstanding	$ 4,407	$ 3,621
Premium on acquired debt [Member] | Minimum [Member]
Debt instrument interest rate, effective percentage	5.76%	5.76%
Premium on acquired debt [Member] | Maximum [Member]
Debt instrument interest rate, effective percentage	7.144%	7.144%